Multi-stage transmission for vehicle

Active Publication Date: 2019-03-14
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0014]According to the multi-stage transmission for a vehicle configured as described above, the gear ratio of eleven forward gears and one reverse gear is realized by combining two planetary gear sets and one compound planetary gear set, whereby it is possible to reduce the package volume of the au

Problems solved by technology

However, as shifting stages of the transmission are increased, the number of internal components of the transmission is in

Method used

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  • Multi-stage transmission for vehicle
  • Multi-stage transmission for vehicle

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Example

[0019]It is understood that the term “vehicle” or “vehicular” or other similar term as used herein is inclusive of motor vehicles in general such as passenger automobiles including sports utility vehicles (SUV), buses, trucks, various commercial vehicles, watercraft including a variety of boats and ships, aircraft, and the like, and includes hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles and other alternative fuel vehicles (e.g. fuels derived from resources other than petroleum). As referred to herein, a hybrid vehicle is a vehicle that has two or more sources of power, for example both gasoline-powered and electric-powered vehicles.

[0020]The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms “a,”“an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It wil...

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Abstract

A multi-stage transmission for a vehicle includes: a first planetary gear set and a second planetary gear set each including three rotating elements; a compound planetary gear set including four rotating elements; and eight rotation shafts connected to the rotating elements of the planetary gear sets.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]The present application claims under 35 U.S.C. § 119(a) the benefit of Korean Patent Application No. 10-2017-0115688, filed Sep. 11, 2017, the entire contents of which are incorporated by reference herein.BACKGROUND(a) Technical Field[0002]The present disclosure relates to a multi-stage transmission for a vehicle, more particularly, to a multi-stage transmission capable of improving fuel efficiency by implementing as many shifting stages as possible with a reduced number of components arranged in a simple configuration.(b) Description of the Related Art[0003]In an environment in which oil prices are unpredictable, automobile manufacturers throughout the world have competed to improve fuel efficiency. Engine research has focused on improving fuel efficiency while decreasing weight by use of novel technology to enable downsizing, or the like, of engine components.[0004]Meanwhile, among methods of improving fuel efficiency that are realized b...

Claims

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Application Information

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IPC IPC(8): F16H3/66
CPCF16H3/663F16H2200/0069F16H2200/201F16H2200/2046F16H2200/2012F16H2200/0073F16H3/66F16H2200/2007F16H2200/2023
Inventor KWON, HYUN SIKHWANG, SEONG WOOKKIM, KI TAECHO, WON MINKOOK, JAE CHANGJI, SEONG WOOK
Owner HYUNDAI MOTOR CO LTD
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